Chotto Kowai Oneesan ni Kawarete Mimasen ka?

The protagonist finds himself taken in by Ichika, a slightly intimidating older woman who treats him like a pet cat. She sleeps beside him, teases him during phone calls, and engages in intimate acts. Despite her mean demeanor, she helps him relieve his sexual desires in their unusual arrangement.

Living under Ichika's care blurs the line between pet and lover. Her playful yet dominant behavior keeps him constantly on edge, as she alternates between cruelty and moments of unexpected tenderness. The protagonist must navigate this strange dynamic where he is both cared for and used.